FR705892A - Procédé et dispositif pour obtenir l'impression du relief, principalement dans les projections cinématographiques, et autres
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Procédé et dispositif pour obtenir l'impression du relief, principalement dans les projections cinématographiques, et autres
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G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/54—Accessories
G03B21/56—Projection screens
G03B21/60—Projection screens characterised by the nature of the surface
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Physics & Mathematics
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General Physics & Mathematics
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FR705892D1930-07-141930-11-19Procédé et dispositif pour obtenir l'impression du relief, principalement dans les projections cinématographiques, et autres
ExpiredFR705892A
(fr)
Dispositif pour obtenir des impressions d'images stéréoscopiques dans les appareils de projection, les épidiascopes, les cinématographes et les appareils similaires